Requirements and operating scenarios of 5G - Part II — Lesson 2

This lesson discusses the increase in device connectivity, the need for larger network capacity, and the units used to describe traffic flow. The lesson further explores the daily traffic profile, the performance metrics for network capacity, and the capabilities required for future applications. It concludes with a look at the usage scenarios expected in 5G, including the tactile internet, gigabyte wireless applications, and massive machine type communications.

Video Highlights

00:18 - Introduction and recap of previous lesson
03:14 - Network capacity units and estimation of global mobile traffic
11:39 - Performance matrix of ITU-R M.2370-0
17:22 - Capabilities of emerging IOT sensors and actuators
20:45 - Technologies to enhance the radio interface and evolution of IMT
24:16 - Usage scenarios for IMT for 2020 and beyond

Key Takeaways

- Traffic growth is driven by various factors, including an increase in device connectivity and the need for larger network capacity.
- Energy is a crucial parameter in system design and must be taken into account.
- The units used to describe traffic flow have evolved from bits per second to larger units like petabytes, exabytes, and zettabytes.
- The daily traffic profile can help in designing systems that save energy and allocate resources efficiently.
- Different performance metrics are important for network capacity, including connection density, user experienced data rate, and capacity density.
- Future applications will require different capabilities, including high spectrum efficiency, high reliability, and low latency.
- 5G is expected to support various usage scenarios, including the tactile internet, gigabyte wireless applications, and massive machine type communications.